Datasheet

LM3434
HS
HO
BST
V
CC
LO
LS
CSP
CSN
BST2
DMO
DIMR
V
EE
COMP SS
T
ON
ADJ
EN
DIM
V
IN
CGND
0.47 PF
2.2 PF
0.01
PF
-12V
GND
4.7 PF
+5V
DIM
39k
0.1
PF
ADJ
-12V
330 pF
22 PF X 2
10 PH
0.005 LED CATHODE
LED ANODE
LED
EN
Q1
Q3
Q5*
0.1
PF
100
Q2
Q4
Q6*
+
150 PF*
* Only required if PWM dimming is used.
LM3434
HS
HO
BST
V
CC
LO
LS
CSP
CSN
BST2
DMO
DIMR
V
EE
COMP SS
T
ON
ADJ
EN
DIM
V
IN
CGND
0.47 PF
2.2 PF
0.01
PF
-12V
GND
4.7 PF
+3.3V
DIM
44.2k
0.1
PF
ADJ
-12V
270 pF
22 PF
15 PH
0.01 LED CATHODE
LED ANODE
LED
EN
Q1
Q2
Q3*
0.1
PF
100
+
68 PF*
* Only required if PWM dimming is used.
LM3434
www.ti.com SNVS619B –MARCH 2010–REVISED MAY 2013
APPLICATION INFORMATION
Figure 13. Up to 10A Output Application Circuit
Figure 14. Up to 20A Output Application Circuit
Table 1. Some Recommended Inductors (Others May Be Used)
Manufacturer Inductor Contact Information
Coilcraft GA3252-AL series, SER1360 series, and SER2900 series www.coilcraft.com
800-322-2645
Coiltronics HCLP2 series www.coiltronics.com
Pulse PB2020 series www.pulseeng.com
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